spidermonkey: Heap-buffer-overflow in _ZN2js13DispatchTypedINS_17PreBarrierFunctorIN2JS5ValueEEEJEEEDTclfp_scP8JSObjec

2017-11-09T13:58:19
ID OSSFUZZ-4148
Type ossfuzz
Reporter Google
Modified 2017-12-30T14:05:09

Description

Detailed report: https://oss-fuzz.com/testcase?key=4564957816422400

Project: spidermonkey Fuzzer: js_fuzzer Job Type: asan_spidermonkey Platform Id: linux

Crash Type: Heap-buffer-overflow READ 8 Crash Address: 0x61100032bcc0 Crash State: _ZN2js13DispatchTypedINS_17PreBarrierFunctorIN2JS5ValueEEEJEEEDTclfp_scP8JSObjec js::NativeObject::setDenseInitializedLengthUnchecked js::AsyncGeneratorRequest* js::ShiftFromList<js::AsyncGeneratorRequest>

Sanitizer: address (ASAN)

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4564957816422400

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.

This bug is subject to a 90 day disclosure deadline. If 90 days elapse without an upstream patch, then the bug report will automatically become visible to the public.

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